12231957239789 has 16 divisors (see below), whose sum is σ = 14189655815808. Its totient is φ = 10326863619072.

The previous prime is 12231957239773. The next prime is 12231957239857. The reversal of 12231957239789 is 98793275913221.

It is not a de Polignac number, because 12231957239789 - 2⁴ = 12231957239773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231957238789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605097 + ... + 5590209.

It is an arithmetic number, because the mean of its divisors is an integer number (886853488488).

Almost surely, 2^{12231957239789} is an apocalyptic number.

It is an amenable number.

12231957239789 is a deficient number, since it is larger than the sum of its proper divisors (1957698576019).

12231957239789 is an equidigital number, since it uses as much as digits as its factorization.

12231957239789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993924.

The product of its digits is 102876480, while the sum is 68.

The spelling of 12231957239789 in words is "twelve trillion, two hundred thirty-one billion, nine hundred fifty-seven million, two hundred thirty-nine thousand, seven hundred eighty-nine".